CN2163176Y - Electroplating apparatus for spiral rotator - Google Patents
Electroplating apparatus for spiral rotator Download PDFInfo
- Publication number
- CN2163176Y CN2163176Y CN 93230403 CN93230403U CN2163176Y CN 2163176 Y CN2163176 Y CN 2163176Y CN 93230403 CN93230403 CN 93230403 CN 93230403 U CN93230403 U CN 93230403U CN 2163176 Y CN2163176 Y CN 2163176Y
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- CN
- China
- Prior art keywords
- electrode bar
- rotor
- rotator
- ring
- sustained
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electroplating Methods And Accessories (AREA)
Abstract
The utility model relates to an electroplating apparatus for a spiral rotator, comprising a left and a right supporting rings (11), (3), an insulating baffle plate (6) and a left and a right electrode bars (8), (2) respectively fixed and installed on the left and the right supporting rings. The utility model has the essential technique that a left and a right inner supporting rings (10), (5) are respectively fixed and installed in the left and the right supporting rings on which a left and a right inner electrode bars (9), (4) corresponding to the valley bottom of the spiral face of the rotator to be electroplated are respectively fixed and installed. The electroplating apparatus for the spiral rotator ensures the thickness of the partial electroplating layer of the valley bottom of the surface of the rotator through the increase of the quantity and the installing positions of the electrode bars and extends the service life of the rotator.
Description
The utility model belongs to a kind of electroplanting device, specifically a kind of device of electroplating helical rotor.
Helicoid hydraulic motor is a kind of novel well dynamic instrument that is born along with the fast development of domestic and international petroleum industry.Its oil motor is the heart component of helicoid hydraulic motor, and rotor is the core of motor sub-assembly.The integral body of rotor is major spiral curved surface clocklike, and by the branch of single head and bull, particularly the wall thickness difference of bull rotor shapes more complicated, rotor is also very big, and the precision prescribed height, causes a lot of troubles to plating.The rotor chrome-plating device that uses is at present: it is fixedly formed by left and right two semicircle sustained rings, be installed with insulcrete on the bonding surface of two semicircle sustained rings, on left and right two semicircle sustained rings, be installed with and the corresponding electrode bar of rotor summit to be plated, like this rotor to be plated electroplated.Though this electroplanting device can be electroplated rotor, electroplating quality is poor, because electrode bar is nearer apart from the summit of rotor, and far away apart from the lowest point of rotor, serious non-uniform phenomenon appears in the rotor thickness of coating after the plating, does not reach designing requirement.Rotor with flood dragon board 4LZI72 type helicoid hydraulic motor is an example, through chromium plating in 25～30 hours, the chromium plating thickness of the summit of the spiral camber of helical rotor is about 0.30mm, and the thickness of the lowest point coating only has 0.02mm, and the difference of the summit of helicoidal surface and the thickness of coating of the lowest point has 15 times unexpectedly.Second the coating of the helicoidal surface the lowest point of the helical rotor life requirements that do not reach rotor so first can have a strong impact on the working accuracy of helical rotor.This also is to exist the chromed quality problems of rotor for many years all the time.
The purpose of this utility model is in order to overcome above-mentioned deficiency, and the electroplanting device of the helical rotor that the coating of a kind of rotor of design is even, electroplating time is short.
The utility model is achieved in that it comprises left and right sustained ring, the insulating barrier that constitutes conventional helical rotor electroplanting device and is fixedly mounted on left and right electrode bar on the sustained ring of the left and right sides respectively.Its technical essential is: be installed with left and right inner support ring in the inner ring of left and right sustained ring, on left and right inner support ring, can fixedly mount respectively with rotor to be plated the lowest point corresponding left and right in electrode bar, to strengthen the strength of electric field of rotor helical-screw face the lowest point, increase the electroplating velocity of rotor helical-screw face the lowest point part, be used for guaranteeing the relative homogeneity of its helical rotor overlay coating.
Because the utility model is to set up electrode according to the cross-sectional shape of rotor, establish the number of electrode bar and the special mounting position of electrode bar by increase, with the surface that guarantees rotor when even with respect to the electric field between the electrode bar, just guaranteed that so also metal chromium ions can separate out relatively equably at rotor surface, formed comparatively even metal chromium coating of one deck.It not only can improve the work-ing life of rotor, equally also can guarantee the working accuracy of its rotor.This electroplanting device not only can improve the electroplating quality of rotor, also can reduce the electroplating time of rotor simultaneously, saves energy.Helical rotor with plating 4LZI72 type helicoid hydraulic motor is an example:
Originally electroplate a helical rotor and need 25～30 hours, electroplating a helical rotor with the electroplanting device after improving only needed about 15 hours, and saves energy reaches 450kwh.The summit coating of the rotor helical-screw face after the plating is 0.18mm, and the thickness of the coating of the lowest point can reach 0.08mm, former rotor life 80 hours can be brought up to more than 200 hours.
Fig. 1 is a structure principle chart of the present utility model.
Below in conjunction with accompanying drawing the utility model is described in detail: this electroplanting device comprises the left sustained ring (11) of former electroplanting device and the circle ring rack that right sustained ring (3) constitutes, be installed with left electrode bar (9) on left sustained ring (11), the installation site of left electrode bar is corresponding with the helicoidal surface summit in rotor (12) left side.Be installed with right electrode bar (2) on right sustained ring (3), the installation site of right electrode bar (2) is corresponding with rotor (12) right side helicoidal surface summit.In order to prevent that left and right electrode bar (9) is communicated with, and fixedly mounts insulating barrier (6) on the bonding surface of left sustained ring (11) and right sustained ring (3).For the helicoidal surface the lowest point of helical rotor (12) and the strength of electric field between the electrode bar, at left sustained ring (11) internal fixing a left inner support ring (10) is installed, be installed with electrode bar (9) in the left side on left inner support ring (10), the position of electrode bar (9) is corresponding with the helicoidal surface the lowest point in rotor to be plated (12) left side in the left side.At right sustained ring (3) internal fixing a right inner support ring (5) is installed, is installed with electrode bar (4) in the right side on right inner support ring (5), its position is corresponding with the helicoidal surface the lowest point on rotor to be plated (12) right side.Left side electrode bar (8) is connected with power supply through left side transmission of electricity joint (7) with the interior electrode bar (9) in a left side.Right electrode bar (2) is connected with power supply through right side transmission of electricity joint (1) with right interior electrode bar (4).For the thickness of coating of the helicoidal surface crest portion that guarantees rotor (12) thickness of coating greater than helicoidal surface the lowest point part, the diameter of left and right electrode bar (8), (2) is greater than the diameter of electrode bar (9), (4) in left and right.The size of wherein left and right electrode bar (8), (2) equates that preferably the size of left and right interior electrode bar (9), (4) preferably equates.
Claims (2)
1, the electroplanting device of helical rotor, it comprises left sustained ring (11), right sustained ring (3), insulating barrier (6) and be fixedly mounted on a left side respectively, right sustained ring (11), (3) left electrode bar (8) on and right electrode bar (2), it is characterized in that: on a left side, right sustained ring (11), (3) be installed with a left inner support ring (10) and right inner support ring (5) in respectively, electrode bar (9) in left inner support ring (10) is gone up a fixed installation left side, electrode bar (4) in right inner support ring (5) is gone up the fixed installation right side, electrode bar (9) is corresponding with the helicoidal surface the lowest point in rotor (12) left side in the left side, and right interior electrode bar (4) is corresponding with the helicoidal surface the lowest point on rotor (12) right side.
2, the electroplanting device of helical rotor according to claim 1, it is characterized in that: the equal diameters of electrode bar (9), (4) in left and right, the equal diameters of left and right electrode bar (8), (2), the diameter of left and right interior electrode bar (9), (4) is less than the diameter of left and right electrode bar (8), (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93230403 CN2163176Y (en) | 1993-03-13 | 1993-03-13 | Electroplating apparatus for spiral rotator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93230403 CN2163176Y (en) | 1993-03-13 | 1993-03-13 | Electroplating apparatus for spiral rotator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2163176Y true CN2163176Y (en) | 1994-04-27 |
Family
ID=33807068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93230403 Expired - Fee Related CN2163176Y (en) | 1993-03-13 | 1993-03-13 | Electroplating apparatus for spiral rotator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2163176Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876816A (en) * | 2020-07-28 | 2020-11-03 | 临漳县万盈贸易有限公司 | Electroplating mechanical equipment capable of stirring by lifting screw |
| CN113802169A (en) * | 2021-10-12 | 2021-12-17 | 合鸿新材科技有限公司 | Electroplating equipment |
-
1993
- 1993-03-13 CN CN 93230403 patent/CN2163176Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111876816A (en) * | 2020-07-28 | 2020-11-03 | 临漳县万盈贸易有限公司 | Electroplating mechanical equipment capable of stirring by lifting screw |
| CN113802169A (en) * | 2021-10-12 | 2021-12-17 | 合鸿新材科技有限公司 | Electroplating equipment |
| CN113802169B (en) * | 2021-10-12 | 2023-06-20 | 合鸿新材科技有限公司 | Electroplating equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |